package com.platform.service.impl;

import com.platform.dao.SysRoleDao;
import com.platform.entity.SysRoleEntity;
import com.platform.entity.UserWindowDto;
import com.platform.page.Page;
import com.platform.page.PageHelper;
import com.platform.service.SysRoleDeptService;
import com.platform.service.SysRoleMenuService;
import com.platform.service.SysRoleService;
import com.platform.service.SysUserService;
import com.platform.utils.Constant;
import com.platform.utils.RRException;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;


/**
 * 角色
 *
 * @author lipengjun
 * @email 939961241@qq.com
 * @date 2016年9月18日 上午9:45:12
 */
@Service("sysRoleService")
public class SysRoleServiceImpl implements SysRoleService {

  @Autowired
  private SysRoleDao sysRoleDao;
  @Autowired
  private SysRoleMenuService sysRoleMenuService;
  @Autowired
  private SysUserService sysUserService;
  @Autowired
  private SysRoleDeptService sysRoleDeptService;

  @Override
  public SysRoleEntity queryObject(Long roleId) {
    return sysRoleDao.queryObject(roleId);
  }

  @Override
  public List<SysRoleEntity> queryList(Map<String, Object> map) {
    return sysRoleDao.queryList(map);
  }

  @Override
  public int queryTotal(Map<String, Object> map) {
    return sysRoleDao.queryTotal(map);
  }

  @Override
  @Transactional
  public void save(SysRoleEntity role) {
    role.setCreateTime(new Date());
    sysRoleDao.save(role);

    //检查权限是否越权
    checkPrems(role);

    //保存角色与菜单关系
    sysRoleMenuService.saveOrUpdate(role.getRoleId(), role.getMenuIdList());

    //保存角色与部门关系
    sysRoleDeptService.saveOrUpdate(role.getRoleId(), role.getDeptIdList());
  }

  @Override
  @Transactional
  public void update(SysRoleEntity role) {
    sysRoleDao.update(role);

    //检查权限是否越权
    checkPrems(role);

    //更新角色与菜单关系
    sysRoleMenuService.saveOrUpdate(role.getRoleId(), role.getMenuIdList());
    //保存角色与部门关系
    sysRoleDeptService.saveOrUpdate(role.getRoleId(), role.getDeptIdList());
  }

  @Override
  @Transactional
  public void deleteBatch(Long[] roleIds) {
    sysRoleDao.deleteBatch(roleIds);
  }

  @Override
  public List<Long> queryRoleIdList(Long createUserId) {
    return sysRoleDao.queryRoleIdList(createUserId);
  }

  /**
   * 检查权限是否越权
   */
  private void checkPrems(SysRoleEntity role) {
    //如果不是超级管理员，则需要判断角色的权限是否超过自己的权限
    if (role.getCreateUserId() == Constant.SUPER_ADMIN) {
      return;
    }

    //查询用户所拥有的菜单列表
    List<Long> menuIdList = sysUserService.queryAllMenuId(role.getCreateUserId());

    //判断是否越权
    if (!menuIdList.containsAll(role.getMenuIdList())) {
      throw new RRException("新增角色的权限，已超出你的权限范围");
    }
  }

  @Override
  public Page<UserWindowDto> queryPageByDto(UserWindowDto userWindowDto, int pageNum) {
    PageHelper.startPage(pageNum, Constant.pageSize);
    sysRoleDao.queryPageByDto(userWindowDto);
    return PageHelper.endPage();
  }
}
